Home / 808,616.16-1,212,924.24-453,879.36

Finding the Fourth Proportional to 808,616.16, 1,212,924.24 and 453,879.36

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Solution

The fourth proportional to 808,616.16, 1,212,924.24 and 453,879.36 is: 680,819.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,616.16 : 1,212,924.24 = 453,879.36 : x
  2. Step 2: Convert to fraction form
    808,616.16/1,212,924.24 = 453,879.36/x
  3. Step 3: Cross multiply
    808,616.16x = 1,212,924.24 × 453,879.36
  4. Step 4: Simplify right side
    808,616.16x = 550,521,277,779.69
  5. Step 5: Solve for x
    x = 550,521,277,779.69/808,616.16
  6. Step 6: Final answer
    x = 680,819.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.